摘要: Xiao Lin has problems this exercise. A. to do B. do C. doing 答案:C 解析:本题考查have problems doing sth.

网址:http://m.1010jiajiao.com/timu3_id_2706730[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网